Quote:
Originally Posted by wagonwheels
I thought I'd found the issue with the lower intercooler hose as it had what felt like a small RIP where the hose was tight against a mounting bracket. After removing it and fitting a new one it looks like it wasn't 100% though but still wise to change it.After spending hours checking pipework and the intercooler the hiss is still there at low rpms when coming on boost and after getting a second opinion on the performance I now know it's down on power/torque .Its edging towards a set of turbos by the look of it which I'll be mighty annoyed at! Should have stuck to my trusted 2005 xc
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just get someone to rev the engine hard a few times and listen and feel for air escaping from pipes ,